Freezing / Cryotherapy

Freezing / Cryotherapy

from 60 min

From 990 kr

Removal of benign skin lesions, such as warts and skin tags, by freezing them with liquid nitrogen.

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Freezing of benign lumps

60 min

Freezing of pigment spots and sun damage

60 minChin and jaw

Freezing of viral warts (HPV)

60 min

About the treatment

At a glance

Duration
1 hr
Pain level
Most people rate the discomfort 3–5 out of 10
Downtime
Usually 1–3 weeks with a blister and scab

Benefits

  • A quick, simple method
  • No needles
  • Several lesions in one visit

Expected results

The lesion falls off with the scab after 1–3 weeks. Some need more treatments.

Overview & Procedure

What the treatment is and how it's performed

What it is

In freezing treatment, the lesion is treated with liquid nitrogen at about minus 196 degrees. The cold destroys the cells in the lesion, which forms a blister or scab and falls off within 1–3 weeks. The method is used on viral warts, small benign lumps and pigment spots after sun exposure.

  • Usually one to three treatments two to four weeks apart.

  1. The practitioner examines the lesion.
  2. Liquid nitrogen is sprayed on or applied with a cotton bud for a few seconds.
  3. The treatment can be repeated twice in the same visit.
  4. The area is covered if needed.

The treatment takes 10–30 minutes.

Experience & Recovery

Pain level, downtime and healing

Most people rate the discomfort 3–5 out of 10. It stings and feels cold for a few minutes.

  • Common: redness, swelling, a blister and a scab.
  • Uncommon: lighter skin in the area, especially in dark skin.
  • Rare: infection, scarring or damage to small nerves near the skin.

  • Keep the area clean and dry for the first day.
  • Let the scab fall off by itself, and do not pick at it.
  • Use a mild ointment if the practitioner recommends it.
  • Protect the area from the sun for at least two months, with a high-factor sunscreen or a plaster.

Usually 1–3 weeks with a blister and scab. The area turns red and can form a blister the same day. The blister dries into a scab that falls off after 1–3 weeks.

Expectations & Safety

Who it's for and safety information

  • All skin lesions must be assessed before treatment. A mole or spot that changes, itches, bleeds or looks different from the others must be examined by a doctor.
  • Laser and freezing destroy the tissue, so it cannot be examined afterwards. An uncertain lesion is therefore removed surgically and sent for examination.

  • Viral warts on the hands and feet.
  • Small benign skin lesions.
  • Pigment spots after sun exposure.

  • Lesions that change, bleed or are uncertain. They must be examined by a doctor and are often removed surgically.
  • Dark skin, where freezing can leave light patches. Other methods may suit better.

Most lesions go after one to three treatments. Warts can come back.

  • Lesions that have not been assessed, or that could be malignant.
  • Infection or inflammation in the area.
  • Sunburnt or recently tanned skin, for laser treatment.
  • Pregnancy, when the treatment is not urgent.
  • A tendency to raised, growing scars (keloids).

Contact the clinic if the area becomes redder, more swollen, warm or painful after two days, if pus appears, or if you get a fever. Also see a doctor if a treated lesion grows back or changes.

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